Blohm + Voss Oil Tools GraySpin Mark 40, Technical Documentation Manual

Page: 18 / 64

OP
ER
AT
ION
18
Operation
1. Check chain for tightness. Do not allow
for slack. Motor capscrews must be tight.
2. With the doors open, swing the Mark 40
into position on the drill pipe.
3. Position the Mark 40 on the pipe
approximately 12” above the tool joint. Make sure that you do not
run the spinner rollers on the pipe upset or tool joint.
4. Close the doors, clamping the spinner onto the drill pipe. This is accomplished by pulling
the door valve handle out as far as
possible. The door valve is located on the
bottom of the spinner.
5. Activate rotation of the drill pipe by
pulling the throttle valve handle out.
Rotation of the drill pipe can be changed
(spin-in, spin-out) by reversing the
positions of the quick disconnect located
at the hydraulic motor.
6. Open the spinner doors by pushing in the
door valve knob.
7. Move the spinner out of the way.
Hydraulic Lift Cylinder
Operation (Optional)
Please refer to the installation section for
proper installation procedures such as
attaching to the mast, attaching the fixed
lines, back up cables, connecting the
hydraulic, shut off valve, balancing screw
and pipe size adjustment.
Figure 9
Figure 10
Figure 11